Home / 5,513.46-7,608.92-3,155.55

Finding the Fourth Proportional to 5,513.46, 7,608.92 and 3,155.55

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Solution

The fourth proportional to 5,513.46, 7,608.92 and 3,155.55 is: 4,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.46 : 7,608.92 = 3,155.55 : x
  2. Step 2: Convert to fraction form
    5,513.46/7,608.92 = 3,155.55/x
  3. Step 3: Cross multiply
    5,513.46x = 7,608.92 × 3,155.55
  4. Step 4: Simplify right side
    5,513.46x = 24,010,311.73
  5. Step 5: Solve for x
    x = 24,010,311.73/5,513.46
  6. Step 6: Final answer
    x = 4,354.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.